"""
Comprehensive Unit Tests for PlayerService
Tests all operations including CRUD, search, filtering, sorting.
"""

import pytest
from unittest.mock import MagicMock, patch
import sys
import os

sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))

from app.services.player_service import PlayerService
from app.services.base import ServiceConfig
from app.services.mocks import MockPlayerRepository, MockCacheService, EnhancedMockCache

# ============================================================================
# FIXTURES
# ============================================================================


@pytest.fixture
def cache():
    """Create fresh cache for each test."""
    return MockCacheService()


@pytest.fixture
def repo(cache):
    """Create fresh repo with test data."""
    repo = MockPlayerRepository()

    # Add test players
    players = [
        {
            "id": 1,
            "name": "Mike Trout",
            "wara": 5.2,
            "team_id": 1,
            "season": 10,
            "pos_1": "CF",
            "pos_2": "LF",
            "strat_code": "Elite",
            "injury_rating": "A",
        },
        {
            "id": 2,
            "name": "Aaron Judge",
            "wara": 4.8,
            "team_id": 2,
            "season": 10,
            "pos_1": "RF",
            "strat_code": "Power",
            "injury_rating": "B",
        },
        {
            "id": 3,
            "name": "Mookie Betts",
            "wara": 5.5,
            "team_id": 3,
            "season": 10,
            "pos_1": "RF",
            "pos_2": "2B",
            "strat_code": "Elite",
            "injury_rating": "A",
        },
        {
            "id": 4,
            "name": "Injured Player",
            "wara": 2.0,
            "team_id": 1,
            "season": 10,
            "pos_1": "P",
            "il_return": "Week 5",
            "injury_rating": "C",
        },
        {
            "id": 5,
            "name": "Old Player",
            "wara": 1.0,
            "team_id": 1,
            "season": 5,
            "pos_1": "1B",
        },
        {
            "id": 6,
            "name": "Juan Soto",
            "wara": 4.5,
            "team_id": 2,
            "season": 10,
            "pos_1": "1B",
            "strat_code": "Contact",
        },
    ]

    for player in players:
        repo.add_player(player)

    return repo


@pytest.fixture
def service(repo, cache):
    """Create service with mocks."""
    config = ServiceConfig(player_repo=repo, cache=cache)
    return PlayerService(config=config)


# ============================================================================
# TEST CLASSES
# ============================================================================


class TestPlayerServiceGetPlayers:
    """Tests for get_players method - 50+ lines covered."""

    def test_get_all_season_players(self, service, repo):
        """Get all players for a season."""
        result = service.get_players(season=10)

        assert result["count"] >= 5  # We have 5 season 10 players
        assert len(result["players"]) >= 5
        assert all(p.get("season") == 10 for p in result["players"])

    def test_filter_by_single_team(self, service):
        """Filter by single team ID."""
        result = service.get_players(season=10, team_id=[1])

        assert result["count"] >= 1
        assert all(p.get("team_id") == 1 for p in result["players"])

    def test_filter_by_multiple_teams(self, service):
        """Filter by multiple team IDs."""
        result = service.get_players(season=10, team_id=[1, 2])

        assert result["count"] >= 2
        assert all(p.get("team_id") in [1, 2] for p in result["players"])

    def test_filter_by_position(self, service):
        """Filter by position."""
        result = service.get_players(season=10, pos=["CF"])

        assert result["count"] >= 1
        assert any(
            p.get("pos_1") == "CF" or p.get("pos_2") == "CF" for p in result["players"]
        )

    def test_filter_by_strat_code(self, service):
        """Filter by strat code."""
        result = service.get_players(season=10, strat_code=["Elite"])

        assert result["count"] >= 2  # Trout and Betts
        assert all("Elite" in str(p.get("strat_code", "")) for p in result["players"])

    def test_filter_injured_only(self, service):
        """Filter injured players only."""
        result = service.get_players(season=10, is_injured=True)

        assert result["count"] >= 1
        assert all(p.get("il_return") is not None for p in result["players"])

    def test_sort_cost_ascending(self, service):
        """Sort by WARA ascending."""
        result = service.get_players(season=10, sort="cost-asc")

        wara = [p.get("wara", 0) for p in result["players"]]
        assert wara == sorted(wara)

    def test_sort_cost_descending(self, service):
        """Sort by WARA descending."""
        result = service.get_players(season=10, sort="cost-desc")

        wara = [p.get("wara", 0) for p in result["players"]]
        assert wara == sorted(wara, reverse=True)

    def test_sort_name_ascending(self, service):
        """Sort by name ascending."""
        result = service.get_players(season=10, sort="name-asc")

        names = [p.get("name", "") for p in result["players"]]
        assert names == sorted(names)

    def test_sort_name_descending(self, service):
        """Sort by name descending."""
        result = service.get_players(season=10, sort="name-desc")

        names = [p.get("name", "") for p in result["players"]]
        assert names == sorted(names, reverse=True)


class TestPlayerServiceSearch:
    """Tests for search_players method."""

    def test_exact_name_match(self, service):
        """Search with exact name match."""
        result = service.search_players("Mike Trout", season=10)

        assert result["count"] >= 1
        names = [p.get("name") for p in result["players"]]
        assert "Mike Trout" in names

    def test_partial_name_match(self, service):
        """Search with partial name match."""
        result = service.search_players("Trout", season=10)

        assert result["count"] >= 1
        assert any("Trout" in p.get("name", "") for p in result["players"])

    def test_case_insensitive_search(self, service):
        """Search is case insensitive."""
        result1 = service.search_players("MIKE", season=10)
        result2 = service.search_players("mike", season=10)

        assert result1["count"] == result2["count"]

    def test_search_all_seasons(self, service):
        """Search across all seasons."""
        result = service.search_players("Player", season=None)

        # Should find both current and old players
        assert result["all_seasons"] == True
        assert result["count"] >= 2

    def test_search_limit(self, service):
        """Limit search results."""
        result = service.search_players("a", season=10, limit=2)

        assert result["count"] <= 2

    def test_search_no_results(self, service):
        """Search returns empty when no matches."""
        result = service.search_players("XYZ123NotExist", season=10)

        assert result["count"] == 0
        assert result["players"] == []


class TestPlayerServiceGetPlayer:
    """Tests for get_player method."""

    def test_get_existing_player(self, service):
        """Get existing player by ID."""
        result = service.get_player(1)

        assert result is not None
        assert result.get("id") == 1
        assert result.get("name") == "Mike Trout"

    def test_get_nonexistent_player(self, service):
        """Get player that doesn't exist."""
        result = service.get_player(99999)

        assert result is None

    def test_get_player_short_output(self, service):
        """Get player with short output."""
        result = service.get_player(1, short_output=True)

        # Should still have basic fields
        assert result.get("id") == 1
        assert result.get("name") == "Mike Trout"


class TestPlayerServiceCreate:
    """Tests for create_players method."""

    def test_create_single_player(self, repo, cache):
        """Create a single new player."""
        config = ServiceConfig(player_repo=repo, cache=cache)
        service = PlayerService(config=config)

        new_player = [
            {
                "name": "New Player",
                "wara": 3.0,
                "team_id": 1,
                "season": 10,
                "pos_1": "SS",
            }
        ]

        # Mock auth
        with patch.object(service, "require_auth", return_value=True):
            result = service.create_players(new_player, "valid_token")

        assert "Inserted" in str(result)

        # Verify player was added (ID 7 since fixture has players 1-6)
        player = repo.get_by_id(7)  # Next ID after fixture data
        assert player is not None
        assert player["name"] == "New Player"

    def test_create_multiple_players(self, repo, cache):
        """Create multiple new players."""
        config = ServiceConfig(player_repo=repo, cache=cache)
        service = PlayerService(config=config)

        new_players = [
            {
                "name": "Player A",
                "wara": 2.0,
                "team_id": 1,
                "season": 10,
                "pos_1": "2B",
            },
            {
                "name": "Player B",
                "wara": 2.5,
                "team_id": 2,
                "season": 10,
                "pos_1": "3B",
            },
        ]

        with patch.object(service, "require_auth", return_value=True):
            result = service.create_players(new_players, "valid_token")

        assert "Inserted 2 players" in str(result)

    def test_create_duplicate_fails(self, repo, cache):
        """Creating duplicate player should fail."""
        config = ServiceConfig(player_repo=repo, cache=cache)
        service = PlayerService(config=config)

        duplicate = [
            {
                "name": "Mike Trout",
                "wara": 5.0,
                "team_id": 1,
                "season": 10,
                "pos_1": "CF",
            }
        ]

        with patch.object(service, "require_auth", return_value=True):
            with pytest.raises(Exception) as exc_info:
                service.create_players(duplicate, "valid_token")

            assert "already exists" in str(exc_info.value)

    def test_create_requires_auth(self, repo, cache):
        """Creating players requires authentication."""
        config = ServiceConfig(player_repo=repo, cache=cache)
        service = PlayerService(config=config)

        new_player = [
            {"name": "Test", "wara": 1.0, "team_id": 1, "season": 10, "pos_1": "P"}
        ]

        with pytest.raises(Exception) as exc_info:
            service.create_players(new_player, "bad_token")

        assert exc_info.value.status_code == 401


class TestPlayerServiceUpdate:
    """Tests for update_player and patch_player methods."""

    def test_patch_player_name(self, repo, cache):
        """Patch player's name."""
        config = ServiceConfig(player_repo=repo, cache=cache)
        service = PlayerService(config=config)

        with patch.object(service, "require_auth", return_value=True):
            result = service.patch_player(1, {"name": "New Name"}, "valid_token")

        assert result is not None
        assert result.get("name") == "New Name"

    def test_patch_player_wara(self, repo, cache):
        """Patch player's WARA."""
        config = ServiceConfig(player_repo=repo, cache=cache)
        service = PlayerService(config=config)

        with patch.object(service, "require_auth", return_value=True):
            result = service.patch_player(1, {"wara": 6.0}, "valid_token")

        assert result.get("wara") == 6.0

    def test_patch_multiple_fields(self, repo, cache):
        """Patch multiple fields at once."""
        config = ServiceConfig(player_repo=repo, cache=cache)
        service = PlayerService(config=config)

        updates = {"name": "Updated Name", "wara": 7.0, "strat_code": "Super Elite"}

        with patch.object(service, "require_auth", return_value=True):
            result = service.patch_player(1, updates, "valid_token")

        assert result.get("name") == "Updated Name"
        assert result.get("wara") == 7.0
        assert result.get("strat_code") == "Super Elite"

    def test_patch_nonexistent_player(self, repo, cache):
        """Patch fails for non-existent player."""
        config = ServiceConfig(player_repo=repo, cache=cache)
        service = PlayerService(config=config)

        with patch.object(service, "require_auth", return_value=True):
            with pytest.raises(Exception) as exc_info:
                service.patch_player(99999, {"name": "Test"}, "valid_token")

        assert "not found" in str(exc_info.value)

    def test_patch_requires_auth(self, repo, cache):
        """Patching requires authentication."""
        config = ServiceConfig(player_repo=repo, cache=cache)
        service = PlayerService(config=config)

        with pytest.raises(Exception) as exc_info:
            service.patch_player(1, {"name": "Test"}, "bad_token")

        assert exc_info.value.status_code == 401


class TestPlayerServiceDelete:
    """Tests for delete_player method."""

    def test_delete_player(self, repo, cache):
        """Delete existing player."""
        config = ServiceConfig(player_repo=repo, cache=cache)
        service = PlayerService(config=config)

        # Verify player exists
        assert repo.get_by_id(1) is not None

        with patch.object(service, "require_auth", return_value=True):
            result = service.delete_player(1, "valid_token")

        assert "deleted" in str(result)

        # Verify player is gone
        assert repo.get_by_id(1) is None

    def test_delete_nonexistent_player(self, repo, cache):
        """Delete fails for non-existent player."""
        config = ServiceConfig(player_repo=repo, cache=cache)
        service = PlayerService(config=config)

        with patch.object(service, "require_auth", return_value=True):
            with pytest.raises(Exception) as exc_info:
                service.delete_player(99999, "valid_token")

        assert "not found" in str(exc_info.value)

    def test_delete_requires_auth(self, repo, cache):
        """Deleting requires authentication."""
        config = ServiceConfig(player_repo=repo, cache=cache)
        service = PlayerService(config=config)

        with pytest.raises(Exception) as exc_info:
            service.delete_player(1, "bad_token")

        assert exc_info.value.status_code == 401


class TestPlayerServiceValidation:
    """Tests for input validation and edge cases."""

    def test_invalid_season_returns_empty(self, service):
        """Invalid season returns empty result."""
        result = service.get_players(season=999)

        assert result["count"] == 0 or result["players"] == []

    def test_empty_search_returns_all(self, service):
        """Empty search query returns all players."""
        result = service.search_players("", season=10)

        assert result["count"] >= 1

    def test_sort_with_no_results(self, service):
        """Sorting with no results doesn't error."""
        result = service.get_players(season=999, sort="cost-desc")

        assert result["count"] == 0 or result["players"] == []

    def test_cache_clear_on_create(self, repo, cache):
        """Cache is cleared when new players are created."""
        config = ServiceConfig(player_repo=repo, cache=cache)
        service = PlayerService(config=config)

        # Set up some cache data
        cache.set("test:key", "value", 300)

        with patch.object(service, "require_auth", return_value=True):
            service.create_players(
                [
                    {
                        "name": "New",
                        "wara": 1.0,
                        "team_id": 1,
                        "season": 10,
                        "pos_1": "P",
                    }
                ],
                "valid_token",
            )

        # Should have invalidate calls
        assert len(cache.get_calls()) > 0


class TestPlayerServiceIntegration:
    """Integration tests combining multiple operations."""

    def test_full_crud_cycle(self, repo, cache):
        """Test complete CRUD cycle."""
        config = ServiceConfig(player_repo=repo, cache=cache)
        service = PlayerService(config=config)

        # CREATE
        with patch.object(service, "require_auth", return_value=True):
            create_result = service.create_players(
                [
                    {
                        "name": "CRUD Test",
                        "wara": 3.0,
                        "team_id": 1,
                        "season": 10,
                        "pos_1": "DH",
                    }
                ],
                "valid_token",
            )

        # READ
        search_result = service.search_players("CRUD", season=10)
        assert search_result["count"] >= 1

        player_id = search_result["players"][0].get("id")

        # UPDATE
        with patch.object(service, "require_auth", return_value=True):
            update_result = service.patch_player(
                player_id, {"wara": 4.0}, "valid_token"
            )
        assert update_result.get("wara") == 4.0

        # DELETE
        with patch.object(service, "require_auth", return_value=True):
            delete_result = service.delete_player(player_id, "valid_token")
        assert "deleted" in str(delete_result)

        # VERIFY DELETED
        get_result = service.get_player(player_id)
        assert get_result is None

    def test_search_then_filter(self, service):
        """Search and then filter operations."""
        # First get all players
        all_result = service.get_players(season=10)
        initial_count = all_result["count"]

        # Then filter by team
        filtered = service.get_players(season=10, team_id=[1])

        # Filtered should be <= all
        assert filtered["count"] <= initial_count


# ============================================================================
# RUN TESTS
# ============================================================================

if __name__ == "__main__":
    pytest.main([__file__, "-v", "--tb=short"])